Halffn.阿尔夫halfn.一半；下半场；半学年adj.一半的；不完全的adv.一半地；不完全地halfadjustvt.舍入half gable半山墙half-lap半叠盖,半折叠halfshadown.半影Halfvarson哈尔瓦松half-tap不割断主导线的中心抽头half-sum半和half dozen半打；六个half underadj.半昏迷状态的half amide半酰胺